(0 19 16)(1 20 7)(2 17 4)(3 8 5)(6 12 9)(10 15 13)(11 18 14)
ALLOWS (11/8)-SEQUENCE
1: (11 18 20)

(0 19 16)(1 20 14 11 7)(2 17 4)(3 8 5)(6 12 9)(10 15 13)(18)
2: (0 19 16)

(0)(1 20 14 11 7)(2 17 4)(3 8 5)(6 12 9)(10 15 13)(16)(18)(19)
3: (1 20 14)

(0)(1 11 7)(2 17 4)(3 8 5)(6 12 9)(10 15 13)(14)(16)(18)(19)(20)
4: (10 15 13)

(0)(1 11 7)(2 17 4)(3 8 5)(6 12 9)(10)(13)(14)(15)(16)(18)(19)(20)